15 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... Bacteria #Etiology #Differential ... #Microbiology # ... Diagnosis #Pathogens
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... ) - Culture negative ... #Infective #Endocarditis ... #Bacteria #Pathogens ... #Diagnosis #Differential
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... for enumerating differentials ... strep - Gram-negatives ... #Pneumonia #Differential ... #Microbiology #
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... BCNIE #Causes #differential ... #Endocarditis # ... InfectiousDiseases #Microbiology
Pathophysiology of Diabetic Ketoacidosis (DKA) and Hyperglycemic Hyperosmolar Syndrome (HHS)
Absolute Insulin deficit:
 - Type I DM:
Pathophysiology ... insulin demand Relative ... #dka #hhs #pathophysiology ... #comparison #endocrinology
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
Capnocytophaga Pathogen ... infections • Gram-negative ... 13%), Pneumonia, Endocarditis ... fusiform gram-negative ... Capnocytophaga #canimorsus #microbiology
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Patients First Tier Microbiologic-Testing ... range of enteric pathogens ... First Tier Microbiologic-Testing ... above testing negative ... Transplant #diagnosis #differential
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Cryoglobulinemia, Endocarditis ... Pauci-immune mediated (Negative ... Glomerulonephritis #Vasculitis #differential
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... PCR for specific pathogens ... #Infective #Endocarditis ... #diagnosis #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
many fungi • Pathogens ... Coccidioides - Negative ... Cryptococcus - Negative ... BAL GM does not differentiate ... Galactomannan #diagnosis #comparison